20115745531

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{2473}}^1\times {\mathrm{8737}}^1$

素因数の和:11243

約数の個数: 24

約数和(自身を含む): 24644305680

約数和(自身を除く): 4528560149

約数列:

[1, 7, 19, 49, 133, 931, 2473, 8737, 17311, 46987, 61159, 121177, 166003, 328909, 428113, 1162021, 2302363, 8134147, 21606601, 151246207, 410525419, 1058723449, 2873677933, 20115745531]

約数ペア:

[(1, 20115745531), (7, 2873677933), (19, 1058723449), (49, 410525419), (133, 151246207), (931, 21606601), (2473, 8134147), (8737, 2302363), (17311, 1162021), (46987, 428113), (61159, 328909), (121177, 166003)]